Adjustable cultivator-frame.



W. M. WILLMORE. ADJUSTABLE GULTIVATOR FRAME APPLICATION FILED OUT. 29,1910. 993,489. Patented May 30, 1911.

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WITNESSES: INVENTOR:

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W. M. WILLMORE.

. ADJUSTABLE OULTIVATOR FRAME.

APPLIOATION FILED OUT. 29,1910.

Patented May 30, 1911.

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WILLIAM M. WILLMORE, 0F VINCENNES, INDIANA.

ADJUSTABLE CULTIVATOR-FRAME.

Specification of Letters Patent.

Patented May 30, 1911..

Application filed October 29, 1910. Serial No. 589,674.

T 0 all whom it may concern:

Be it known that I, WILLIAM M. N11 11- MORE, a citizen of the UnitedStates, residing at Vincennes, in the county of Knox and State ofIndiana, have invented certaln new and useful Improvements in AdjustableCultivator-Frames; and I do declare the following to be a full, clear,and exact description of the invention, reference being had to theaccompanying drawings, and to the letters and figures of referencemarked thereon, which form a part of this specification.

This invention relates to farming implements commonly known ascultivators, more especially to wheeled disk cultivators, the inventionhaving reference particularly to the frames in which the cultivators aremounted and thereby connected with the main frames of the implements.

The object of the invention is to provide an improved adjustablecultivator frame for operating disk cultivators or other implementswhich may require to be reversed or to be readjusted; a particularobject being to provide an improved disk cultivator frame in which theyokes having the cultivators mounted thereon may be quickly adjusted tosuit requirements, or reversed and adjusted as may be desired orrequired in operation, to enable the disks to turn over the earth eithertoward or from the plants or to greater or relatively less extent.

A particular object is to provide an adjustable cultivator frame of theabove mentioned character which may be cheaply constructed and bedurable in use, and without requiring the use of tools, or detachment ofparts of the frame in making the adjustments desired. I

The invention consists in an improved cultivator frame comprising a headadapted to be connected with operating and controlling apparatus, a yokeadapted to have cultivators mounted thereon and mounted adjustably inthe head, and movable latching apparatus for locking the yoke to thehead when adjusted; the invention consisting further in the novel parts,and combinations i501and arrangements of parts, as hereinafterparticularly described and pointed out in the appended claims.

Referring to the drawings, Figure 1 is a perspective view of two gangsof cultivators and their frames which are constructed substantially inaccordance with the invention and shown in their relation to the mainframe or sulky, the latter being illustrated by broken lines; Fig. 2, aperspective view of a gang of disk cultivators and the improved framemounted thereon; Fig. 3, a top plan of the improved cultivator frame;Fig. 4, a perspective view of the principal parts of the latchingapparatus; Fig. 5, a plan View of portions of the latching apparatus;Fig. 6, a fragmentary section on the line A A in Fig. 3; Fig. 7, a rearelevation of the improved frame; Fig. 8, a fragmentary horizontalsection on the line B B in Fig. 6; and Fig. 9, a fragmentary sideelevation of the improved frame.

Similar reference characters in the different figures of the drawingsindicate corre sponding elements or features of construction hereinreferred to.

As preferably constructed each gang frame comprises a beam 1 adapted tobe connected at one end thereof to the main frame or sulky, the oppositeend portion of the beam having a serrated quadrant 2 thereon providedwith an eye 2 adapted to be connected to suitable means for lifting andcontrolling the gang of Cultivators, the beam having also a pivot 3thereon adjacent to the quadrant, the quadrant having a curved slot 4therein. A head 5 has a lateral extension 6 on one side thereof in whichis a pivot bearing 7 receiving the pivot 3. The extension of the headhas a serrated arm 8 thereon which normally is in contact with thequadrant 2 and held securely by means of a bolt 9 inserted in it andextending through the slot 4, the bolt being provided with a nut 10.

Each disk-yoke comprises a main portion 11 from which extend two arms 12and 12, the upper side of the main portion having a pivot 13 thereonwhich is mounted rotatably in the head 5 so as to constitute a verticalaxis for the yoke, the pivot preferably having a squared portion 14 fromwhich extends a screw threaded end portion 15, there being a washer 16on the squared portion, and a nut 17 on the end portion whereby thepivot 13 is retained rotatably in the head 5. An axle 18 is connected tothe arms of the yoke and a suitable number of disk cultivators 19mounted thereon, as is understood.

The main portion 11 of the yoke has a quadrant 20 on the forward sidethereof and another quadrant 21 on the rear side Copies of this patentmay be obtained for thereof which preferably are cast on a base plate 22suitably secured to the under side of the main portion 11 of the yoke.Each quadrant has a suitable number of notches or recesses 23 therein.The head 5 has a projection 24 thereon in which is a pivot 25, and alatch handle 26 is mounted on the pivot 25 and has a downwardlyextending latch bar 27 which is adapted to fit closely into any one ofthe notches 23 that may be brought within range of it. The handleextends horizontally so that its weight normally holds the latch-bar incontact with the quadrant. The handle preferably has two ears 28, 28,thereon between which a locking-dog 29 is mounted on a pivot 30connected to the ears, the dog being adapted to rest upon the projection24: in contact with the body of the head 5 to prevent the latchbar 27from being withdrawn from the quadrant, the dog being provided with afinger-hold 31 which rests upon the projection 24 when the dog is thrownback to permit the latch-bar 27 to be withdrawn from the quadrant.

It will be understood from the foregoing that when the bolt 9 isslackened the yoke may be adjusted on the pivot 3 to suit requirements,and further adjustments may be infrequent.

When it is desired to re-adjust the cultivating disks the dog 29 isthrown back and the handle 26 is then lifted so that it withdraws thelatch-bar 27 from the quadrant, as illustrated in Fig. 9 and in dottedlines in Fig. 6. The yoke when unlatched may be rotated in the head 5until it is adjusted as desired or is reversed if so desired, and thehandle is lowered so as to carry the latchbar 27 into one of the notches23, which securely latches the yoke to the frame head, and then the dog29 is thrown to its normal position illustrated clearly in Fig. 6 to prevent accidental withdrawal of the latch-bar.

Having thus described the invention, what is claimed as new, is

1. In a disk-cultivator, a head, a disk-carrying yoke rotatably mountedin the head and having a notched quadrant on one side thereof concentricto the rotative axis of the yoke, a handle pivotally mounted on the headand having a latchbar thereon movable into or out of the notches of thequadrant, and a locking dog pivotally mounted on the handle and normallyextending against the head.

2. In a disk-cultivator, a head, a disk-carrying-yoke comprising a mainportion having a pivot and also arms thereon, the pivot being mountedrotatably in the head, a plate secured to the main portion of the yokeand having two notched quadrants thereon ex tending at opposite sides ofthe main por tion, and a handle pivotally mounted on the head andextending laterally therefrom, the handle having a latch-bar thereonnormally extending downwardly into a ,notch of the adjacent one of thequadrants.

3. In a disk-cultivator, a head, a diskcarrying yoke comprising a mainportion having a pivot thereon extending rotatably through the head, themain portion having also arms thereon, said pivot having a squaredportion from which extends a screw-threaded end portion, a washer onsaid squared portion in contact with the head, a nut on the end portion,a plate secured to the main portion of the yoke and having two quadrantsthereon, and a latch pivoted to the head and normally engaging one ofthe quadrants.

4C. In a disk-cultivator, a head having a projection thereon, adisk-carrying yoke rotatably mounted in the head, a plate secured to theyoke and having two notched quadrants thereon, a beam connected to thehead, and a handle pivoted to the projection of the head and having alatch-bar thereon movable into or out of locking engagement with anadjacent one of the quadrants.

5. In a disk-cultivator, a head having a projection thereon, adisk-carrying yoke rotatably mounted in the head and having a notchedquadrant on one side thereof in a plane below the projection, a handlepivoted on the projection and having a latch-bar thereon movable intolocking engagement with the quadrant, the handle having also two earsthereon, a locking dog between the ears and pivoted thereto, the dognormally resting on the projection in contact with the head and having afinger-hold thereon to engage the projection when the dog is moved awayfrom the head.

6. In a disk cultivator, ahead having a projection thereon, adisk-carrying yoke rotatably mounted in the head and having a quadranton one side thereof in a plane below the projection, a latch pivoted onthe projection and movable into locking engagement with the quadrant,thelatch having an upwardly extending ear thereon, and a looking dogpivoted on the ear and adapted to engage the body of the head.

In testimony whereof, I aflix my signature in presence of two witnesses.

WILLIAM M. WILLMORE.

Witnesses:

NINA BRADLEY, A. M. WILLOUGHBY.

five cents each, by addressing the Commissioner of Patents, Washington,I). G.

